Barcelona have been aggressively pushing to bring Athletic Club winger Nico Williams to Camp Nou, but the operation has hit multiple snags, mainly surrounding financial regulations and registration ...

Sport adds that Casadó, who Flick once preferred to Frenkie de Jong, has a €100m (£86m) release clause in his contract. However, it's said that if the Blues were to offer Barcelona at least €30m (£26m ...